qgsraycastingutils.h

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/***************************************************************************
  qgsraycastingutils.h
  --------------------------------------
  Date                 : April 2024
  Copyright            : (C) 2024 by Matthias Kuhn
  Email                : [email protected]
 ***************************************************************************
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 ***************************************************************************/
 
#ifndef QGSRAYCASTINGUTILS_H
#define QGSRAYCASTINGUTILS_H
 
#include <QMatrix4x4>
#include <QVector3D>
 
#define SIP_NO_FILE
 
class QgsAABB;
class QgsRay3D;
 
namespace Qt3DRender
{
  class QGeometryRenderer;
} // namespace Qt3DRender
 
namespace QgsRayCastingUtils
{

  bool rayBoxIntersection( const QgsRay3D &ray, const QgsAABB &nodeBbox );

  bool rayTriangleIntersection( const QgsRay3D &ray, float maxDist, const QVector3D &a, const QVector3D &b, const QVector3D &c, QVector3D &uvw, float &t );

  bool rayMeshIntersection( Qt3DRender::QGeometryRenderer *geometryRenderer, const QgsRay3D &r, float maxDist, const QMatrix4x4 &worldTransform, QVector3D &intPt, int &triangleIndex );
 
} // namespace QgsRayCastingUtils
 
#endif // QGSRAYCASTINGUTILS_H